Date: Sat, 2 Mar 2019 21:11:47 +0000 (UTC) From: Justin Hibbits <jhibbits@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344730 - head/sys/powerpc/powerpc Message-ID: <201903022111.x22LBlGc027136@repo.freebsd.org>
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Author: jhibbits Date: Sat Mar 2 21:11:46 2019 New Revision: 344730 URL: https://svnweb.freebsd.org/changeset/base/344730 Log: powerpc: fix 'show spr' for ELFv1 powerpc64 Update and flush the right cache range for the ELFv1 ABI. MFC after: 1 week Modified: head/sys/powerpc/powerpc/machdep.c Modified: head/sys/powerpc/powerpc/machdep.c ============================================================================== --- head/sys/powerpc/powerpc/machdep.c Sat Mar 2 20:59:18 2019 (r344729) +++ head/sys/powerpc/powerpc/machdep.c Sat Mar 2 21:11:46 2019 (r344730) @@ -541,12 +541,16 @@ DB_SHOW_COMMAND(spr, db_show_spr) saved_sprno = sprno = (intptr_t) addr; sprno = ((sprno & 0x3e0) >> 5) | ((sprno & 0x1f) << 5); p = (uint32_t *)(void *)&get_spr; +#ifdef __powerpc64__ #if defined(_CALL_ELF) && _CALL_ELF == 2 /* Account for ELFv2 function prologue. */ p += 2; +#else + p = *(volatile uint32_t * volatile *)p; #endif +#endif *p = (*p & ~0x001ff800) | (sprno << 11); - __syncicache(get_spr, cacheline_size); + __syncicache(__DEVOLATILE(uint32_t *, p), cacheline_size); spr = get_spr(sprno); db_printf("SPR %d(%x): %lx\n", saved_sprno, saved_sprno,
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